Right now
The most recent data we hold from NOAA arrived 20 minutes ago, and this point is in it.
6 other detections within 20 km in the last 24 hours, the nearest 5 km from here.
This alert expired on 2 October 2026 at 12:30 UTC. It is kept here as a record.
No stronger detection stands among the 18 recorded within 20 km of this point since 16 March 2026 — 11 others scored the same. Another comparable one was recorded here earlier the same day. 15 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued October 2 at 7:27AM EDT until October 2 at 8:30AM EDT by NWS Key West FL
Urban PEI: 25,755 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- September 29, 2026 · score 28 · 6.5 km
- October 1, 2026 · score 28 · 14.1 km
- August 28, 2026 · 15.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 28 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 28 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 24.6873, -81.8667 |
| Nearest City | Key West (17 km) |
| Urban exposure index (PEI) | 25.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-10-02T11:27:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.85e14a90d1d53baa364fb5560095f5ecb568cbda.001.1 |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-10-02T11:27:00.000Z.
First archived: 2026-10-02T11:32:05.419Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| MessageId | urn:oid:2.49.0.1.840.0.85e14a90d1d53baa364fb5560095f5ecb568cbda.001.1 |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms; Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms; Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef; Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM; Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms; Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef; Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM; Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out |
| Headline | Special Marine Warning issued October 2 at 7:27AM EDT until October 2 at 8:30AM EDT by NWS Key West FL |
| Expires | 2026-10-02T08:30:00-04:00 |
| SenderName | NWS Key West FL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.85e14a90d1d53baa364fb5560095f5ecb568cbda.001.1","noaa_urn:oid:2.49.0.1.840.0.c66e3657fb3be321531ecea8b83d31b44c6a1929.001.1","noaa_urn:oid:2.49.0.1.840.0.663cca0c51f12acbcab42efeebaf7be766c8b312.001.1"] |
| Iem TypeSummary | Marine thunderstorm wind |
| Iem LsrCode | M |
| Iem LsrType | MARINE TSTM WIND |
| Iem Magnitude | 46 |
| Iem Unit | MPH |
| Iem City | 9 SW Key West |
| Iem County | GMZ044 |
| Iem State | FL |
| Iem Wfo | KEY |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Review the area, threshold and delivery channel in your account.
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